Answer:
100 bed linens
Explanation:
Opportunity costs of South Korea:
- Computer chips = 100 chips / 12 hours of labor = 8.33 computer chips per hour of labor.
- Bed linens = 50 chips / 6 hours of labor = 8.33 bed linens per hour of labor.
Since both products require the same amount of labor hours (8.33 labor hours per unit), then the opportunity cost of producing 100 computer chips is 100 bed linens.
Opportunity costs are the extra costs or benefits lost from choosing one activity or investment over another alternative.
Answer:
The portfolio return is 12.6% and the portfolio SD is 15.4%. Thus, option a is the correct answer.
Explanation:
The expected return of a portfolio is the weighted average of the individual stock returns that form up the portfolio. Thus, the expected return for a two stock portfolio is,
Return of Portfolio = wA * rA + wB * rB
Where,
- w represents the weight of each stock in the portfolio
- r represents the return of each stock
Portfolio return = 0.7 * 0.15 + 0.3 * 0.07 = 0.126 or 12.6%
The standard deviation of a two stock portfolio containing one risky and one risk free asset is the weight of risky asset in the portfolio multiplied by the standard deviation of the risky asset. The risk free asset has zero standard deviation.
Standard deviation of such a portfolio is,
Portfolio SD = w of risky asset * SD of risky asset
Portfolio SD = 0.7 * 0.22
Portfolio SD = 0.154 or 15.4%
The present value of his investment is $113501.94.
What is investment?
An investment is a valuable item bought with the intention of increasing one's wealth. While stocks, bonds, and real estate are frequently included when discussing investments.
Present Value of an Annuity Due is equal to C + C*[1-(1+i)^-(n-1)]/i]
C = Periodic Cash Flow ($624)
i = interest rate per period =4.2%/12 =0.35%
n=number of period=24×12 =288
= $624+624[1-(1+0.0035)^-(288-1) /0.0035]
= $624+624[1-(1.0035)^-287 /0.0035]
= $624+624[(0.6331)] /0.0035
= $113501.94
As a result, $113501.94 is the correct answer.
Learn more about on present value, here:
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